
/*-------------------------中间部分-------------*/
.middle {
    display: flex;
    justify-content: center;
    margin: 30px 0;
}

.middle > div {
    width: 900px;
    display: flex;
    justify-content: space-between;
}

.middle > div > div {
    border: 1px solid gray;
}

/*-------------新闻动态----------*/
.news {
    width: 480px;
}

.news > div:nth-child(2) {
    display: flex;
    justify-content: space-between;
}

.news > div:nth-child(2) > div:nth-child(1) {
    background-image: url("../img/m331.jpg");
    width: 200px;
    height: 190px;
}

/*后代选择器*/
.news .single-over {
    width: 240px;
}

.news .content > div {
    margin-top: 20px;
    border-bottom: 1px dashed gray;
    height: 40px;
}

/*----------------产品展示--------------*/
.product {
    width: 400px;
}

.product > div:nth-child(2) {
    display: flex;
    justify-content: space-between;
}

.product > div:nth-child(2) > div:nth-child(1) > div:nth-child(1) {
    background-image: url("../img/32_zq2b.jpg");
    width: 180px;
    height: 150px;
}

.product > div:nth-child(2) > div:nth-child(2) > div:nth-child(1) {
    background-image: url("../img/12_38ve.jpg");
    width: 180px;
    height: 150px;
}

.product .single-over {
    width: 180px;
}

